Alvin Ha, D.O.
NPI 1568812113 · Internal Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alvin Ha, D.O. is a Internal Medicine Physician provider in Anaheim, CA (NPI 1568812113).
Provider details
- NPI number
- 1568812113
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- SL1146 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
791 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 587 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 101 | $178 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 46 | $79 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 35 | $114 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 22 | $191 |
Typical Medicare-allowed amounts for these services range $79–$191 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 39 | 33 |
| Furosemide | 26 | 12 |
| Amlodipine Besylate | 25 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 23 |
| Cefdinir | 20 | 20 |
| Potassium Chloride | 17 | — |
| Azithromycin | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-14
- Last updated
- 2024-07-20
- Certified
- 2024-07-20
Frequently asked questions
- What is Alvin Ha's NPI number?
- Alvin Ha's National Provider Identifier (NPI) is 1568812113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alvin Ha's specialty?
- Alvin Ha is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alvin Ha located?
- Alvin Ha's practice location on file with NPPES is 1211 W La Palma Ave Ste 404, Anaheim, CA 92801-2806.
- What is Alvin Ha's phone number?
- The practice phone number listed in the NPPES registry for Alvin Ha is (714) 772-8282.
- Does Alvin Ha accept Medicare?
- Alvin Ha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alvin Ha's NPI active?
- Yes — Alvin Ha's NPI (1568812113) is active in the NPPES registry as of the last update on 2024-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.